The light rays used for eliminating bacteria?

Related Mcqs:

1. X-rays were discovered by __________?

   A. Wilhelm Conrad Roentgen
   B. Thomson
   C. Ernest Rutherford
   D. Bacquerel

   Submitted by: Rubina Suleman

2. Who discovered the Gamma Rays?

   A. Alfred Marshall
   B. Paul Villard
   C. Bohar
   D. Jabar bin Hayan

   Submitted by: Rubina Suleman

3. Which of the following Rays are more Penetrating?

   A. Beta rays
   B. Alpha rays
   C. Gamma rays
   D. X-rays

   Submitted by: Farjan Ahmed Soomro

4. Primary cosmic rays are composed largely of very fast__________?

   A. Protons
   B. Neutrons
   C. Electrons
   D. Gamma rays

   Submitted by: Malik Asghar Hussain

5. Which rays are trapped in our galaxy by magnetic waves?

   A. Alpha rays
   B. Gamma rays
   C. Cosmic rays
   D. None of these

   Submitted by: Malik Asghar Hussain

6. Gamma rays have greatest similarity with?

   A. a-rays
   B. X-rays
   C. b-rays
   D. U.V.-rays

   Submitted by: Malik Asghar Hussain

7. The study of X-rays and their medical applications is called _________ ?

   A. Radiology
   B. Raciology
   C. Rheumatology
   D. Rheology

   Submitted by: Rashid Mehmood

8. Which one of the following of glass can cut ultraviolet rays?

   A. Jena Glass
   B. Soda Glass
   C. Pyrex Glass
   D. Crookes Glass

   Submitted by: Parvez Malik

9. All of these are benefits of bacteria except ______?

   A. Decomposition
   B. Oxygen Production
   C. Nitrogen Fixation
   D. None of these

   Submitted by: Rafi Umar

10. At which temperature does bacteria die?

    A. 102F
    B. 106F
    C. 149F
    D. None of These

    Submitted by: Name